import java.util.concurrent.locks.ReentrantLock;

public class demo51 {
    private static int count=0;
    public static void main(String[] args) throws InterruptedException {
        ReentrantLock reentrantLock=new ReentrantLock();
        Thread t1=new Thread(()->{
            for(int i=0;i<50000;i++){
                reentrantLock.lock();
                count++;
                reentrantLock.unlock();
            }
        });
        Thread t2=new Thread(()->{
            for(int i=0;i<50000;i++){
                reentrantLock.lock();
                count++;
                reentrantLock.unlock();
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("Fianl count="+count);

    }
}
